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Old 05-02-2015, 02:46 PM   #1
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ABS pipe- nonstandard, loose fitting ??


Hello, I have a problem fitting a 1 1/2 pipe to a 1/14 pipe. I have the adapter but it is a little loose on the 1 1/4 end. It is (point) .25mm of a gap or the thickness of 5 pieces of paper. How can I make this work? Will extra glue hold at that looseness? If you fold a piece of paper in 4 and flatten it you can see how loose it is.


OK, I need to make this work because 1 1/4 inch pipe and couplers are no longer manufactured. I managed to get an adapter that was left over in a warehouse. So- cannot buy other manufacturer's adapters... ALSO I have a feeling the old 1 1/4 pipe is not standard diameter on the outside- it is in an RV. And yes, the part I got was ordered through an RV supply shop. The RV is parked- no extra vibration & there will be no pressure on the drain line. Bath sink drain so nothing but water.

Last edited by Lynn345; 05-02-2015 at 02:48 PM. Reason: add info
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Old 05-02-2015, 03:02 PM   #2
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you have to use the same type of pipe for adapters from one size of pipe to another to fit and the proper adapters for that type of pipe.

you say this is a drain; are you sure it isn't a compression fitting? If so, the pipe is different than glued PVC. Many drains use compression fittings at the sink/shower/whatever. Where in the drain system is this issue?

and 1 1/4" of what kind of pipe isn't produced any longer? I just took a look on Google and found it all over the place.
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Old 05-02-2015, 03:10 PM   #3
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Old 05-02-2015, 03:12 PM   #4
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Above:

Fernco coupling 1.24 to 1.5 "

http://www.amazon.com/Fernco-P1056-1.../dp/B000BQ7TAM


Any big box, plumbing supply or good hardware store
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Old 05-03-2015, 01:04 PM   #5
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thanks


Thanks!

Nap, it's ABS

RJ thanks, so I guess the gap is too big and this fitting would be better? The guy at the plumbing supply said he didn't trust those fittings...
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Old 05-03-2015, 01:15 PM   #6
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Quote:
Originally Posted by Lynn345 View Post
Thanks!

Nap, it's ABS
.
I suspect the issue is the type of coupling. I have had no problems sourcing any of the fittings I have required.

but anyway:

fernco fitttings are commonly used by professional plumbers everywhere with confidence.
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Old 05-03-2015, 03:14 PM   #7
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thanks


Thanks Nap, I just got advice on another forum to use this;

Schedule 40 ABS Fitting - Female Trap Adapter - Female Hub - 1-1/2" x 1-1/4" Slip Joint Nut/Washer

and will try it. If that doesn't fit right I'll go to flexible. For some reason neither plumbing supply place could order one... I'm not a plumber, I had no idea what to order.
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Old 05-03-2015, 05:19 PM   #8
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Quote:
Originally Posted by Lynn345 View Post
Thanks Nap, I just got advice on another forum to use this;

Schedule 40 ABS Fitting - Female Trap Adapter - Female Hub - 1-1/2" x 1-1/4" Slip Joint Nut/Washer

and will try it. If that doesn't fit right I'll go to flexible. For some reason neither plumbing supply place could order one... I'm not a plumber, I had no idea what to order.
I'm not sure where on your system is 1.25"
If it is at the sink's trap or tailpiece then the trap adapter should work.

The Fernco should work on iron pipe size lines, but as a plumber, I have seen many of them fail to hold good pipe alignment.
Can you post a picture of the connection please?
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Old 05-03-2015, 05:51 PM   #9
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pic


I hope what I ordered will work on this. The stub is 1 1/4. I know it shouldn't go down a size but I don't want to hassle with the vent pipe in the wall. Which probably isn't standard as well. Very difficult to get to If I have to cut it out. I'd have to take the whole wall out which I just put in on the other side... Can't just cut a hole...
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Last edited by Lynn345; 05-03-2015 at 05:58 PM.
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